Who among the following was the first Dr Shanti Swarup Bhatnagar awardee?

KS Krishnan

The correct answer is Option (2) - KS Krishnan

The first Dr Shanti Swarup Bhatnagar awardee was KS Krishnan.

Inaugural Award Year: The Shanti Swarup Bhatnagar Prize for Science and Technology was instituted in 1958.

Recognition for KS Krishnan: Among the scientists you listed, KS Krishnan received the first award in 1958 for his work on Raman scattering, which he co-discovered with his mentor C.V. Raman.